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<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <style>
        *{
            margin: 0;
            padding: 0;
            list-style: none;
        }

        ul {
            width: 800px;
            height: 500px;
            position: absolute;
            left: 0;
            top: 0;
            right: 0;
            bottom: 0;
            margin: auto;
            overflow: hidden;
        }

        ul li{
            float: left;
            width: 200px;
            height: 500px;
        }

    </style>
</head>

<body>
    <ul>
        <li><img src="./哪吒/0185571c05f1fb5e1c95bc8cea1e6a8ef2a9285c.jpg" alt=""></li>
        <li><img src="./哪吒/20181104105054_uZC5C.jpeg" alt=""></li>
        <li><img src="./哪吒/358f1627884ef3018f0176ed9b665b2b5db94cb9.jpg" alt=""></li>
        <li><img src="./哪吒/5ae21339d54840ad8e2aa934f103a9a0.jpeg" alt=""></li>
    </ul>
</body>

</html>